Kawakado

Ratman

After a "Mark of Death" appears on his body, the protagonist visits Metropolitan Inverted Cross Hospital for treatment, but neither the patients nor the doctors there are anything close to ordinary...?!

(Source: MANGA Plus)

Toritsu Gyakujuuji Byouin

Metropolitan Inverted Cross Hospital

都立逆十字病院

Obata, Takeshi

Sendo, Susumu

In a world where djinn rule and humans are enslaved, Toto and Loukir break the seals of the century-old prison of the "gentle genie," Rampou, in order to try and save their country...

(Source: Deja-vu)

Arabian Lamp Lamp

魔神冒険譚〈アラビアン〉ランプ・ランプ

CLAMP

Year 1691/2:
The land ruled by the Satomi clan Inue Shimbē Masashi and his twin younger sister, Fuse, had lost their parents—thus becoming the new clan heads. Inue becomes the leader of the Satomi Hakkenshi (or more simply Hakkenshi) as well, 8 elite warriors, loyal to the Satomi's clan.

Fuse believes yokai are people as well to the much to her brother’s dismay. After a trip to the woods she is rescued by a yokai, Yatsufusa, who she falls in love with. Tamazusa who witnessed Fuse’s confession grew with jealousy and cast a curse upon the two, a curse of tragedy.

Year 1991/2:
The Hakkenshi have reincarnated into people all of which are studying or working at CLAMP School. Inue has been reincarnated into a boy named Kazae Tōma. Yatsufusa to a new math teacher named Shirō Fuyukaze. Tamazusa into a younger kindergarten girl named Azuya Nagisa.

A battle begins and Kazae’s life is in danger for he cannot remember his past life save for some dreams. It’s up to the Hakkenshi reincarnations to protect him as a quest to break this curse continues on in this new generation.

Hagun Seisenki

Like Stars Army War

破軍星戦記

Uno, Hiroshi

At the end of 19th Century, Captain Drake, the pirate who traveled all over the world died. Rumor has it that he hide his treasure that is worth thousand millions pounds away from people. The map to this treasure is being torn into 2 parts. One part of it is owned by the military, lead by Colonel Visconti. The another part is owned by Drake's son. 

That young boy's name is Captain Kid, and with his Black Lightening sword and Kid's cunning crews the journey to find Captain Drake's hidden treasure begins.

Captain Kid

キャプテンキッド

Katou, Yuuta

Tensai Futsugakusha Lalo Purple no Hatsukoi

天才祓学者ラロ・パープルの初恋

Yamagishi, Ryouko

Historically, Prince Shoutoku Taishi lived from 574-622 AD and united Japan under the centralized government of an emperor. Known by his real name in the manga, Umayado, he is a cold and calculating politician and mystic that uses his beauty and cunning intellect to manipulate those around him. Umayado's only weakness is Emishi, the son of a rich family who Umayado finds himself hopelessly attracted to.

(Source: ANN)

Hi Izuru Tokoro no Tenshi

日出処の天子

Hamada, Shoko

Kuwabara, Mizuna

Toujou, Kazumi

Mirage of Blaze is equal parts melodrama, historical romance, and supernatural fantasy. Japanese history predominates a heavily structured plot, which mainly involves the continued aggression between magic using guardians, or "possessors," and the denizens of a "feudal underworld," or the restless souls of long-dead samurai attempting to re-ignite ancient war on the modern plane.

Honoo no Mirage

炎の蜃気楼〈ミラージュ〉

Tezuka, Osamu

Collection of various short stories. 

(Source: M-U)

Tiger Books

タイガーブックス

Kamiya, Yuu

Two strange encounter with one unfamiliar name confused Rui. First she unconsciously blurted out when she saw a guy in her school, another time is when she heard a woman cries that unfamiliar name out just right when Rui saw the sword her father who is an archeologist shows it to her. With this sword Rui never know that it could transport her back to the old Japan where her father's troop is having a war with another. 

Note: Included in the back of this manga ,there is also an Omake which is a story about Tatsuki and Dule from Maou no Kiza (魔王の刻) This is a prequel story when Tatsuki is still a small kid that doesn't know about his power yet.

Hakuryuu Izayoi den

白龍十六夜伝

Kakizaki, Fumi

A collection of 3 short stories involving Espers and the supernatural.

Kiniro no Yami

Golden Darkness

金色の闇

Okano, Fumika

A living mineral, a living stone...a living jewelry, Irisite is the rarest and the most valuable jewelry in the world. 

When Feilin landed his plane to fix some of his engine in some small town, he comes across Jura whom is not a mere human. Jura is the Iris, the living stone. Once the Iris grows up, their eyes will becomes a precious stone called Irisite and the merchant who sell Jewelry for their living will take them out while the Iris is still alive. The blind Iris will later being on sales as a slave.

Feilin feels sorry for Jura and wanted to helps the young kid escape from Jura's owner, an evil merchant who is a powerful figure that want to keep Jura for his own benefit.

Iris no Tamago

イリスの卵

Tamura, Yumi

This is the 6th volume of Tamura Yumi's "Tamu no Nandemo Capsule Series" (a collection of her one-shots).  

Madonna ni Tsugu:
Mizusawa Karen, a very skilled archer, was taken in 5 years ago by her father's good friend, the head surgeon of the Tokyo police department medical hospital.  On her 16th birthday, however, her adoptive father tells her that she has a bomb implanted in her heart that is set to go off in a week.  Now she and two friends must find her real father to have any hopes of surviving...

Umi wa Shizuka na Aki no Meikyuu:
Mio's boyfriend Shou has been missing at sea for several days.  Everyone including even Shou's grandparents have given up hope of finding him alive, but Mio is determined to continue searching.  One day, she meets a curious guy named Ai, who helps her search and together, they find out that things may not be as they seem...

Toori-ma 1991:
Kiryuu Naoya becomes the private tutor of his friend Ohtakemaru's younger sister, who can't leave the house b/c of her fragile health.  Strange occurrences keep happening around the Ohtakemaru siblings, however, and a rumor of a killer on the loose around the premises of their house have begun to circulate.  Naoya also seems to have a secret that he doesn't want the siblings to know about, but all of this comes to light one night when...??

Madonna ni Tsugu

Declaration to Madonna

マドンナに告ぐ

Himorogi no Miko

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